CN112048067B - Polyurethane modified amino polyether silicone oil and preparation method and application thereof - Google Patents
Polyurethane modified amino polyether silicone oil and preparation method and application thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/458—Block-or graft-polymers containing polysiloxane sequences containing polyurethane sequences
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
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Abstract
The invention provides polyurethane modified amino polyether silicone oil and a preparation method thereof, wherein the preparation method comprises the following steps of (1) reacting isocyanate, dihydric alcohol, trihydric alcohol, tetrahydric alcohol and glacial acetic acid under the condition of a catalyst to prepare a protonated polyurethane intermediate; (2) reacting octamethylcyclotetrasiloxane, methyl high hydrogen-containing silicone oil and hydrogen-containing double end enclosure under the condition of a catalyst to prepare side-end hydrogen-containing silicone oil; (3) reacting side-end hydrogen-containing silicone oil, allyl epoxy polyether and methacryloyloxyethyl trimethyl ammonium chloride under the condition of a catalyst to obtain side-end epoxy silicone oil; (4) and (3) reacting the side-end epoxy silicone oil, the protonated polyurethane intermediate and a solvent to obtain the polyurethane modified amino polyether silicone oil. The method has high reaction efficiency, the prepared silicone oil has a self-crosslinking network structure, the product has good film forming performance, and the permeability and hydrophilicity effects are greatly improved. The invention also provides an application of the silicone oil in fabric.
Description
Technical Field
The invention relates to the technical field of new materials for fabric after-finishing, in particular to polyurethane modified amino polyether silicone oil and a preparation method thereof.
Background
The polyurethane modified organic silicon can combine the advantages of polyurethane and organic silicon, overcomes the defect of a single variety of high polymer, and has excellent performance of polyurethane while retaining good flexibility of the organic silicon softener. Chinese patent CN111393657A discloses that hydroxyl-terminated hyperbranched aliphatic polyether-organosilicon block copolymer and hydroxyl-terminated polyether-organosilicon-polyether triblock copolymer are used as raw materials to react with polytetrahydrofuran, 1, 4-butanediol and diisocyanate to prepare organosilicon modified polyurethane, and the reaction efficiency is low, so that the product is easy to have more impurities due to incomplete reaction; and belongs to a linear chain linear structure, and the polymerization effect is poor. Chinese patent CN107974837B discloses that polysiloxane with terminal epoxy group reacts with a compound containing tertiary amine group to obtain silicone oil containing quaternized structure, and then diisocyanate and polyether containing reactive group reacting with isocyanate are added to perform polymerization reaction step by step to obtain polyurethane modified organosilicon copolymer containing quaternary ammonium salt, which is modified by high molecular copolymer, and has large and irregular polymerized molecular weight, and uses end group reactive reaction, and has few reactive group, and the permeability with fabric needs to be improved, and at the same time, the problem of reduced hydrophilicity after color fixation of cloth cover needs to be solved.
Therefore, there is a need to provide an elastic finishing agent for after-finishing of cotton fiber products to solve the technical defects.
Disclosure of Invention
One of the purposes of the invention is to provide a preparation method of polyurethane modified amino polyether silicone oil, which has high reaction efficiency, forms a multidimensional reticular cross-linked structure with a plurality of active groups of side chains and end chains, effectively enhances the permeability of fabrics, improves the softness of the fabrics and simultaneously can improve the hydrophilic performance.
In order to realize the purpose, the invention provides a preparation method of polyurethane modified amino polyether silicone oil, which comprises the following steps:
(1) reacting isocyanate, dihydric alcohol, trihydric alcohol, tetrahydric alcohol and glacial acetic acid under the condition of a catalyst to prepare a protonated polyurethane intermediate;
(2) reacting octamethylcyclotetrasiloxane, methyl high hydrogen-containing silicone oil and hydrogen-containing double end enclosure under the condition of a catalyst to prepare side-end hydrogen-containing silicone oil;
(3) reacting the side-end hydrogen-containing silicone oil, allyl epoxy polyether and methacryloyloxyethyl trimethyl ammonium chloride under the condition of a catalyst to obtain side-end epoxy silicone oil;
(4) and reacting the side-end epoxy silicone oil, the protonated polyurethane intermediate and a solvent to obtain the polyurethane modified amino polyether silicone oil.
The invention also aims to provide polyurethane modified amino polyether silicone oil prepared by the preparation method.
The invention also aims to provide the application of the polyurethane modified amino polyether silicone oil in the fabric.
The inventor of the invention finds that a polyurethane intermediate can be obtained by using isocyanate, dihydric alcohol, trihydric alcohol and tetrahydric alcohol as raw materials, and the protonated polyurethane intermediate is prepared by protonating the polyurethane intermediate by using glacial acetic acid. The side-end hydrogen-containing silicone oil with different molecular weights can be prepared by using octamethylcyclotetrasiloxane, methyl high hydrogen-containing silicone oil and hydrogen-containing double end sockets as raw materials, and then the side-end hydrogen-containing silicone oil is subjected to hydrosilylation with allyl epoxy polyether and methacryloyloxyethyl trimethyl ammonium chloride to obtain the side-end epoxy silicone oil. The protonated polyurethane intermediate and the side-end epoxy silicone oil react in a solvent to obtain the reticular self-crosslinking polyurethane modified amino polyether silicone oil. In the preparation process, the homopolymerization siloxane with a plurality of active groups of side chains and end chains is completed by a high-reactivity polymerization, end-capping and hydrosilylation method, and the homopolymerization siloxane has a plurality of active reaction groups, high reaction activity, convenient operation and high reaction efficiency; meanwhile, the side chain and the end group active group are matched with a protonized polyurethane intermediate crosslinking agent to form a multi-dimensional network self-crosslinking characteristic, the polyether and quaternary ammonium salt double characteristic is achieved, the side chain self-crosslinking is introduced to form a network structure, the product film is good, and the permeability and the hydrophilicity are greatly improved.
The inventor of the invention also finds that the polyurethane modified amino polyether silicone oil acts on the fabric, so that the adsorption and permeability of the fabric are greatly enhanced, the fabric is endowed with good smooth elasticity hand feeling, the hydrophilicity is excellent, the film can be well formed on the fabric after color fixation, and the polyurethane modified amino polyether silicone oil is suitable for being used as an organic silicon textile auxiliary agent.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a preparation method of polyurethane modified amino polyether silicone oil, which comprises the following steps:
(1) reacting isocyanate, dihydric alcohol, trihydric alcohol, tetrahydric alcohol and glacial acetic acid under the condition of a catalyst to prepare a protonated polyurethane intermediate;
(2) reacting octamethylcyclotetrasiloxane, methyl high hydrogen-containing silicone oil and hydrogen-containing double end enclosure under the condition of a catalyst to prepare side-end hydrogen-containing silicone oil;
(3) reacting the side-end hydrogen-containing silicone oil, allyl epoxy polyether and methacryloyloxyethyl trimethyl ammonium chloride under the condition of a catalyst to obtain side-end epoxy silicone oil;
(4) and reacting the side-end epoxy silicone oil, the protonated polyurethane intermediate and a solvent to obtain the polyurethane modified amino polyether silicone oil.
Further, the isocyanate is selected from at least one of aliphatic diisocyanate, alicyclic diisocyanate, aromatic diisocyanate and aliphatic triisocyanate. Preferably, the isocyanate is at least one selected from hexamethylene diisocyanate, toluene-2, 4-diisocyanate and isophorone diisocyanate.
Further, in the step (1), the amount of the isocyanate is 50-200 parts, the amount of the dihydric alcohol is 10-20 parts, the amount of the trihydric alcohol is 10-20 parts, the amount of the tetrahydric alcohol is 10-20 parts, and the amount of the glacial acetic acid is 1-10 parts;
further, in the step (2), the dosage of the octamethylcyclotetrasiloxane is 40-80 parts, the dosage of the methyl high hydrogen-containing silicone oil is 10-20 parts, and the dosage of the hydrogen-containing double end enclosure is 5-10 parts;
further, in the step (3), the dosage of the side-end hydrogen-containing silicone oil is 50-100 parts, the dosage of the allyl epoxy polyether is 10-20 parts, and the dosage of the methacryloyloxyethyl trimethyl ammonium chloride is 10-20 parts;
further, in the step (4), the dosage of the side-end epoxy silicone oil is 50-100 parts, and the dosage of the protonated polyurethane intermediate is 10-50 parts.
The amount of the catalyst and the solvent may be added according to the specific requirements of the test, and is not particularly limited herein.
Specifically, the isocyanate may be selected from, but is not limited to, 50 parts, 80 parts, 110 parts, 140 parts, 170 parts, 200 parts; the diol may be selected from, but is not limited to, 10 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts; the trihydric alcohol can be selected from, but is not limited to, 10 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts; tetrahydric alcohols may be selected from, but are not limited to, 10 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts; glacial acetic acid can be selected from, but is not limited to, 1 part, 3 parts, 5 parts, 7 parts, 10 parts;
octamethylcyclotetrasiloxane can be selected from, but is not limited to, 40 parts, 50 parts, 60 parts, 70 parts, 80 parts; the methyl high hydrogen silicone oil can be selected from but not limited to 10 parts, 12 parts, 14 parts, 16 parts, 18 parts and 20 parts; the hydrogen-containing double end socket can be selected from but not limited to 5 parts, 6 parts, 7 parts, 8 parts, 9 parts and 10 parts;
the side-end hydrogen-containing silicone oil can be selected from but not limited to 50 parts, 60 parts, 70 parts, 80 parts, 90 parts and 100 parts; allyl epoxy polyether can be selected from, but is not limited to, 10 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts; methacryloyloxyethyltrimethyl ammonium chloride may be selected from, but is not limited to, 10 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts;
side-end epoxy silicone oil can be selected from, but is not limited to, 50 parts, 60 parts, 70 parts, 80 parts, 90 parts, 100 parts; the protonated polyurethane intermediate may be selected from, but is not limited to, 10 parts, 20 parts, 30 parts, 40 parts, 50 parts.
Further, the dihydric alcohol is at least one selected from dipropylene glycol, ethylene glycol, 1, 4-butanediol, methyl propylene glycol and diethylene glycol; the trihydric alcohol is at least one selected from glycerol, castor oil and trimethylolpropane; the tetrahydric alcohol is selected from pentaerythritol.
Further, in the step (1), the temperature is controlled to be 60-70 ℃, and the reaction time is 8-12 hours.
Further, in the step (1), organotin is used as the catalyst. Preferably, the organotin is selected from dibutyltin oxide.
Further, in the step (2), the temperature is controlled to be 70-80 ℃, and the reaction time is 7-10 hours.
Further, in the step (2), acid clay is used as the catalyst.
Further, in the step (3), the temperature is controlled to be 80-100 ℃, and the reaction time is 2-3 hours.
Further, in the step (3), chloroplatinic acid is used as the catalyst.
Further, in the step (4), the temperature is controlled to be 75-85 ℃, and the reaction time is 7-10 hours.
Further, in the step (4), the solvent is at least one selected from isopropanol, n-butanol and isobutanol.
The technical solution of the present invention is further illustrated by the following specific examples.
Example 1
A preparation method of polyurethane modified amino polyether silicone oil comprises the following steps:
(1) adding 100g of hexamethylene diisocyanate, 20g of glycerol, 20g of dipropylene glycol, 20g of pentaerythritol, 10g of glacial acetic acid and 1g of dibutyltin oxide into a four-neck flask, controlling the heating temperature at 70 ℃, and reacting for 8 hours to obtain a protonated polyurethane intermediate;
(2) adding 60g of octamethylcyclotetrasiloxane, 15g of methyl high hydrogen-containing silicone oil, 5g of hydrogen-containing double end enclosure and 5g of acid clay into a four-neck flask, controlling the heating temperature at 60 ℃, reacting for 12 hours, and then carrying out suction filtration to obtain side-end hydrogen-containing silicone oil;
(3) adding 100g of the side-end hydrogen-containing silicone oil, 20g of allyl epoxy polyether, 20g of methacryloyloxyethyl trimethyl ammonium chloride and 4g of chloroplatinic acid into a four-neck flask, controlling the heating temperature at 80 ℃, and reacting for 3 hours to obtain side-end epoxy silicone oil;
(4) adding 100g of the side-end epoxy silicone oil, 10g of the protonated polyurethane intermediate and 100g of isopropanol into a reaction vessel, controlling the heating temperature at 80 ℃, reacting for 8 hours, and then carrying out reduced pressure distillation to remove the isopropanol solvent, wherein the product is a light yellow transparent viscous liquid, namely polyurethane modified amino polyether silicone oil.
Example 2
A preparation method of polyurethane modified amino polyether silicone oil comprises the following steps:
(1) adding 80g of hexamethylene diisocyanate, 10g of castor oil, 10g of dipropylene glycol, 10g of pentaerythritol, 5g of glacial acetic acid and 1g of dibutyltin oxide into a four-neck flask, controlling the heating temperature at 80 ℃, and reacting for 10 hours to obtain a protonated polyurethane intermediate;
(2) adding 40g of octamethylcyclotetrasiloxane, 10g of methyl high hydrogen-containing silicone oil, 10g of hydrogen-containing double end enclosure and 8g of acid clay into a four-neck flask, controlling the heating temperature at 70 ℃, reacting for 8 hours, and then carrying out suction filtration to obtain side-end hydrogen-containing silicone oil;
(3) adding 80g of the side-end hydrogen-containing silicone oil, 10g of allyl epoxy polyether, 10g of methacryloyloxyethyl trimethyl ammonium chloride and 2g of chloroplatinic acid into a four-neck flask, controlling the heating temperature at 90 ℃, and reacting for 2 hours to obtain side-end epoxy silicone oil;
(4) adding 60g of the side-end epoxy silicone oil, 20g of the protonated polyurethane intermediate and 60g of isopropanol into a reaction vessel, controlling the heating temperature at 80 ℃, reacting for 10 hours, and then carrying out reduced pressure distillation to remove the isopropanol solvent, wherein the product is a light yellow transparent viscous liquid, namely polyurethane modified amino polyether silicone oil.
Example 3
A preparation method of polyurethane modified amino polyether silicone oil comprises the following steps:
(1) adding 50g of hexamethylene diisocyanate, 15g of glycerol, 10g of methyl propylene glycol, 15g of pentaerythritol, 3g of glacial acetic acid and 1g of dibutyltin oxide into a four-neck flask, controlling the heating temperature at 75 ℃, and reacting for 10 hours to obtain a protonated polyurethane intermediate;
(2) adding 80g of octamethylcyclotetrasiloxane, 15g of methyl high hydrogen-containing silicone oil, 15g of hydrogen-containing double end enclosure and 6g of acid clay into a four-neck flask, heating to 60 ℃, reacting for 12 hours, and then carrying out suction filtration to obtain side-end hydrogen-containing silicone oil;
(3) adding 50g of the side-end hydrogen-containing silicone oil, 15g of allyl epoxy polyether, 15g of methacryloyloxyethyl trimethyl ammonium chloride and 2g of chloroplatinic acid into a four-neck flask, controlling the heating temperature at 90 ℃, and reacting for 2 hours to obtain side-end epoxy silicone oil;
(4) adding 80g of the side-end epoxy silicone oil, 40g of the protonated polyurethane intermediate and 50g of isopropanol into a reaction vessel, controlling the heating temperature at 80 ℃, reacting for 10 hours, and then carrying out reduced pressure distillation to remove the isopropanol solvent, wherein the product is a light yellow transparent viscous liquid, namely polyurethane modified amino polyether silicone oil.
Comparative example 1
The organosilicon modified polyurethane cured product prepared in example 1 of Chinese patent CN 111393657A.
The polyurethane modified amino polyether silicone oil obtained in the above examples 1 to 3 and comparative example 1 was subjected to an application performance test.
Specifically, the silicone oil is prepared into a 20% aqueous solution, cotton fiber cloth (the specification of the cotton fiber cloth is 10cm × 20cm) is respectively padded in the aqueous solution, and the sample is prepared by shaping at a high temperature of 130 ℃ and is tested, and the test results are shown in table 1. The blank example is a sample which is padded and dried by pure water.
Test items and conditions were as follows:
degree of slip: through a hand feeling test, 10 professionals specifically classify the hand feeling touch grades into 1-5 grades, and the higher the grade number is, the better the flexibility is;
hydrophilicity: the hydrophilicity of a fabric is defined by measuring the time in seconds for a drop of water to be completely absorbed by the fabric, the shorter the time the better the hydrophilicity.
Table 1 elastohydrodynamic and hydrophilic performance test data
| Test group | Hydrophilicity | Degree of slip |
| Example 1 | 15s | Grade 5 |
| Example 2 | 18s | Grade 5 |
| Example 3 | 13s | Grade 5 |
| Comparative example 1 | 58s | Grade 3 |
| Blank example | 7s | Level 1 |
As can be seen from the data analysis of Table 1, the polyurethane modified amino polyether silicone oil acts on the fabric, so that the adsorption and permeability of the fabric are greatly enhanced, good smooth and elastic handfeel is given, and the hydrophilicity is excellent. Compared with the prior art, the organic silicon modified polyurethane condensate in the comparative example 1 belongs to a linear chain linear structure, the polyurethane modified amino polyether silicone oil disclosed by the application belongs to a self-crosslinking network structure, the product has a good film forming effect, and the permeability and the hydrophilicity are greatly improved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A preparation method of polyurethane modified amino polyether silicone oil is characterized by comprising the following steps:
(1) reacting isocyanate, dihydric alcohol, trihydric alcohol, tetrahydric alcohol and glacial acetic acid under the condition of a catalyst to prepare a protonated polyurethane intermediate;
(2) reacting octamethylcyclotetrasiloxane, methyl high hydrogen-containing silicone oil and hydrogen-containing double end enclosure under the condition of a catalyst to prepare side-end hydrogen-containing silicone oil;
(3) reacting the side-end hydrogen-containing silicone oil, allyl epoxy polyether and methacryloyloxyethyl trimethyl ammonium chloride under the condition of a catalyst to obtain side-end epoxy silicone oil;
(4) reacting the side-end epoxy silicone oil, the protonated polyurethane intermediate and a solvent to prepare polyurethane modified amino polyether silicone oil,
the isocyanate is selected from at least one of aliphatic diisocyanate, alicyclic diisocyanate, aromatic diisocyanate and aliphatic triisocyanate.
2. The method for producing a polyurethane-modified aminopolyether silicone oil according to claim 1,
in the step (1), the using amount of the isocyanate is 50-200 parts, the using amount of the dihydric alcohol is 10-20 parts, the using amount of the trihydric alcohol is 10-20 parts, the using amount of the tetrahydric alcohol is 10-20 parts, and the using amount of the glacial acetic acid is 1-10 parts;
in the step (2), the dosage of the octamethylcyclotetrasiloxane is 40-80 parts, the dosage of the methyl high hydrogen-containing silicone oil is 10-20 parts, and the dosage of the hydrogen-containing double end enclosure is 5-10 parts;
in the step (3), the dosage of the side-end hydrogen-containing silicone oil is 50-100 parts, the dosage of the allyl epoxy polyether is 10-20 parts, and the dosage of the methacryloyloxyethyl trimethyl ammonium chloride is 10-20 parts;
in the step (4), the dosage of the side-end epoxy silicone oil is 50-100 parts, and the dosage of the protonated polyurethane intermediate is 10-50 parts.
3. The method for producing a polyurethane-modified aminopolyether silicone oil as claimed in claim 1, wherein the diol is at least one selected from the group consisting of dipropylene glycol, ethylene glycol, 1, 4-butanediol, methylpropanediol and diethylene glycol; the trihydric alcohol is at least one selected from glycerol, castor oil and trimethylolpropane; the tetrahydric alcohol is selected from pentaerythritol.
4. The method for preparing polyurethane-modified aminopolyether silicone oil as claimed in claim 1, wherein in the step (1), organotin is used as the catalyst.
5. The method for producing a polyurethane-modified aminopolyether silicone oil as claimed in claim 1, wherein in the step (2), acid clay is used as a catalyst.
6. The method for preparing a polyurethane-modified aminopolyether silicone oil as claimed in claim 1, wherein in the step (3), chloroplatinic acid is used as a catalyst.
7. The method for preparing polyurethane-modified aminopolyether silicone oil as claimed in claim 1, wherein in the step (4), the solvent is selected from isopropanol, n-butanol and isobutanol.
8. A polyurethane-modified amino polyether silicone oil, characterized by being produced by the method for producing a polyurethane-modified amino polyether silicone oil according to any one of claims 1 to 7.
9. Use of the polyurethane-modified aminopolyether silicone oil of claim 8 in textiles.
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| CN114232347B (en) * | 2021-12-17 | 2022-09-02 | 扬州鸿诚新材料有限公司 | Amino modified organic silicon finishing agent and preparation method thereof |
| CN114775291B (en) * | 2022-05-16 | 2023-06-27 | 杭州美高华颐化工有限公司 | Preparation method of novel quaternized modified block silicone oil |
| CN116444754A (en) * | 2022-12-31 | 2023-07-18 | 浙江汉邦新材料股份有限公司 | Linear block polyurethane modified hydrophilic organic silicon finishing agent |
| CN117449131B (en) * | 2023-11-01 | 2024-07-09 | 淮北金逸材料科技有限公司 | Antifouling formaldehyde-removing wallpaper based on purely natural vermiculite and preparation method thereof |
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| CN102417595B (en) * | 2011-11-20 | 2013-01-02 | 浙江精业生化有限公司 | Preparation method of novel polyurethane-modified organic silica gel |
| CN104327238B (en) * | 2014-10-22 | 2016-07-06 | 齐鲁工业大学 | A kind of preparation method of organosilicon cationic aqueous polyurethane |
| CN105482074B (en) * | 2015-09-07 | 2018-03-20 | 杭州美高华颐化工有限公司 | A kind of anionic polyurethane modified organic silicon emulsion and preparation method thereof |
| CN107083683A (en) * | 2017-05-22 | 2017-08-22 | 佛山市今冬创新科技有限公司 | A kind of preparation method of hydrophilic smooth organic silicone finishing agent |
| CN110527052B (en) * | 2017-12-06 | 2021-04-06 | 佛山市顺德区德美瓦克有机硅有限公司 | Polyurethane modified organic silicon copolymer containing quaternary ammonium salt |
| CN109371687B (en) * | 2018-10-10 | 2021-05-25 | 西安工程大学 | High-flexibility waterborne polyurethane finishing agent for textiles and preparation method thereof |
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| CN112048067A (en) | 2020-12-08 |
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